23143300 has 18 divisors (see below), whose sum is σ = 50221178. Its totient is φ = 9257280.

The previous prime is 23143297. The next prime is 23143301. The reversal of 23143300 is 334132.

It can be written as a sum of positive squares in 3 ways, for example, as 4359744 + 18783556 = 2088^2 + 4334^2 .

It is a super-2 number, since 2×23143300² = 1071224669780000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23143301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115617 + ... + 115816.

Almost surely, 2^23143300 is an apocalyptic number.

23143300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23143300 is an abundant number, since it is smaller than the sum of its proper divisors (27077878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23143300 is a wasteful number, since it uses less digits than its factorization.

23143300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231447 (or 231440 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23143300 is about 4810.7483825284. The cubic root of 23143300 is about 284.9760932035.

Adding to 23143300 its reverse (334132), we get a palindrome (23477432).

The spelling of 23143300 in words is "twenty-three million, one hundred forty-three thousand, three hundred".